Nero

Skeletons in the closet

Complete mission : Ghost of the Past

The Demolition man

Complete mission: The Bomber

No more big guns!

Complete mission : The Tower

Tables have turned

Complete mission : Hidden Cargo

Bail out

Complete mission : Trapped

Eye of the Eagle

Complete mission : Back to School

Back from the dead

Complete mission : On the Trail

A friend from high places

Complete mission : 2nd Life

The Vengeance

Complete mission : Redemption

Head Hunter

Kill 100 enemies with only head shots

Annihilator

Kill Total of 500 enemies

Sharpshooter

Kill 50 enemies with sniper only

Marksman

Kill 100 enemies with rifle only

Deadeye

Kill 100 enemies with pistol only

Bombshell

Kill 50 enemies with Grenades

Environment Friendly

Kill 50 enemies with explosive barrels/generators

Mine Master

Kill 50 enemies with mines

Booby trap

Untouchable

Complete a mission without taking damage

Iron Skin

No Stone Unturned

Bookworm

Find all the intel documents in the game

The Phantom

Complete a mission without being detected

CQC Master

Kill 50 enemies with take downs or melee attacks

Veteran

Complete every mission in "Brutal mode"

Prodigy

Get 100% accuracy in sniper training